std::coroutine_handle<Promise>:: operator bool

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Utilities library
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Relational operators (deprecated in C++20)
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(C++23)
constexpr explicit operator bool ( ) const noexcept ;
(since C++20)

Checks whether * this is non-null, i.e. the value of * this is obtained from the promise object of some coroutine. Equivalent to return bool ( address ( ) ) ; .

If Promise is std::noop_coroutine_promise , this conversion function always returns true .

Parameters

(none)

Return value

bool ( address ( ) ) , or true if Promise is std::noop_coroutine_promise .

See also

exports the underlying address, i.e. the pointer backing the coroutine
(public member function)